/// <summary>
/// Create a communications server
/// </summary>
/// <remarks>
/// Note that typical configuration string should be prefixed with a "protocol=tcp" or a "protocol=udp"
/// </remarks>
/// <param name="configurationString">The configuration string for the server.</param>
/// <returns>A communications server.</returns>
public static IServer Create(string configurationString)
{
Dictionary<string, string> configurationSettings = configurationString.ParseKeyValuePairs();
IServer server;
string protocol;
if (configurationSettings.TryGetValue("protocol", out protocol))
{
configurationSettings.Remove("protocol");
StringBuilder settings = new StringBuilder();
foreach (string key in configurationSettings.Keys)
{
settings.Append(key);
settings.Append("=");
settings.Append(configurationSettings[key]);
settings.Append(";");
}
// Create a server instance for the specified protocol.
switch (protocol.Trim().ToLower())
{
case "tls":
server = new TlsServer(settings.ToString());
break;
case "tcp":
server = new TcpServer(settings.ToString());
break;
case "udp":
server = new UdpServer(settings.ToString());
break;
case "zeromq":
server = new ZeroMQServer(settings.ToString());
break;
default:
throw new ArgumentException("Transport protocol \'" + protocol + "\' is not valid");
}
// Apply server settings from the connection string to the client.
foreach (KeyValuePair<string, string> setting in configurationSettings)
{
PropertyInfo property = server.GetType().GetProperty(setting.Key);
if (property != null)
property.SetValue(server, Convert.ChangeType(setting.Value, property.PropertyType), null);
}
}
else
{
throw new ArgumentException("Transport protocol must be specified");
}
return server;
}
private void m_reconnectTimer_Elapsed(object sender, ElapsedEventArgs e)
{
try
{
m_parent.OnStatusMessage("Attempting to restart data channel...");
DataChannel = null;
UdpServer dataChannel = new UdpServer(m_configurationString);
dataChannel.Start();
this.DataChannel = dataChannel;
m_parent.OnStatusMessage("Data channel successfully restarted.");
}
catch (Exception ex)
{
m_parent.OnStatusMessage("Failed to restart data channel due to exception: {0}", ex.Message);
m_reconnectTimer.Start();
}
}
private void m_reconnectTimer_Elapsed(object sender, EventArgs<DateTime> e)
{
try
{
m_parent.OnStatusMessage(MessageLevel.Info, "Attempting to restart data channel...");
DataChannel = null;
UdpServer dataChannel = new UdpServer(m_configurationString);
dataChannel.Start();
DataChannel = dataChannel;
m_parent.OnStatusMessage(MessageLevel.Info, "Data channel successfully restarted.");
}
catch (Exception ex)
{
m_parent.OnStatusMessage(MessageLevel.Warning, $"Failed to restart data channel due to exception: {ex.Message}");
m_reconnectTimer.Start();
}
}
